AMD Radeon Pro V420 vs AMD Radeon Pro W6900X

VS

AMD Radeon Pro V420

AMD Radeon Pro W6900X

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 and 32GB VRAM Radeon Pro W6900X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V420 's Advantages

Larger VRAM bandwidth (819.2GB/s vs 512.0GB/s)

AMD Radeon Pro W6900X 's Advantages

Boost Clock has increased by 26% (2150MHz vs 1700MHz)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

AMD Radeon Pro V420

13.93 TFLOPS

Radeon Pro W6900X +58%

22.02 TFLOPS

AMD Radeon Pro V420

VS

Radeon Pro W6900X

Graphics Card

Unknown

Release Date

Aug 2021

Radeon Pro Vega

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

800 MHz

Base Clock

1825 MHz

1700 MHz

Boost Clock

2150 MHz

800 MHz

Memory Clock

2000 MHz

Memory

32GB

Memory Size

32GB

HBM2

Memory Type

GDDR6

4096bit

Memory Bus

256bit

819.2GB/s

Bandwidth

512.0GB/s

Render Config

64

Compute Units

80

-

4096

Shading Units

5120

256

TMUs

320

64

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

108.8 GPixel/s

Pixel Rate

275.2 GPixel/s

435.2 GTexel/s

Texture Rate

688.0 GTexel/s

27.85 TFLOPS

FP16 (half)

44.03 TFLOPS

13.93 TFLOPS

FP32 (float)

22.02 TFLOPS

6.963 TFLOPS

FP64 (double)

1376 GFLOPS

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

6x mini-DisplayPort 1.4a

Outputs

1x HDMI 2.1 4x Thunderbolt

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Vega 20

GPU Name

Navi 21

Vega 20 GLXT WS (215-0914026)

GPU Variant

Navi 21 Pro-XTA

GCN 5.1

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

13.23 billion

Transistors

26.8 billion

331 mm²

Die Size

520 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.5

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